2 years ago

Reactivity occurs when a substance reacts with another substance, changing it into a ____?

Chemistry

1 answer:

MakcuM [25]2 years ago

6 0

Answer:b

Explanation:

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Entropy means the amount of randomness present within the molecules of the body of a substance.

Relation between entropy and microstate is as follows.

S = $K_{b} \times ln \Omega$

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$\Omega$ = number of microstates

This equation only holds good when the system is neither losing or gaining energy. And, in the given situation we assume that the system is neither gaining or losing energy.

Also, let us assume that $\Omega$ = 1, and $\Omega'$ = 0.833

Therefore, change in entropy will be calculated as follows.

$\Delta S = K_{b} \times ln \Omega' - K_{b} \times ln \Omega$

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= $1.38 \times 10^{-23} \times (-0.182)$

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or, = $-2.51 \times 10^{-24}$

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